how can i solve this error?and how can i get wavelet toolbox ?

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Bashar Ayasrah 2020-6-27

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https://ww2.mathworks.cn/matlabcentral/answers/555553-how-can-i-solve-this-error-and-how-can-i-get-wavelet-toolbox

回答： Sindar 2020-6-27

'dwt2' requires Wavelet Toolbox.

Error in mine (line 16)

[cA,cH,cV,cD] = dwt2(Host,'Haar');

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Sindar 2020-6-27

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https://ww2.mathworks.cn/matlabcentral/answers/555553-how-can-i-solve-this-error-and-how-can-i-get-wavelet-toolbox#answer_458089

Check here whether you have a license for it, or need to buy: https://www.mathworks.com/products/wavelet.html?s_tid=srchtitle#try-buy

Then, use these instructions to add it to your Matlab installation"

https://www.mathworks.com/matlabcentral/answers/101885-how-do-i-install-additional-toolboxes-into-an-existing-installation-of-matlab

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Signal Processing Wavelet Toolbox

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R2020a

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